Iris Data Set(鸢尾属植物数据集)是我现在接触到的历史最悠久的数据集,它首次出现在著名的英国统计学家和生物学家Ronald Fisher1936年的论文《The use of multiple measurements in taxonomic problems》中,被用来介绍线性判别式分析。在这个数据集中,包括了三类不同的鸢尾属植物:Iris Setosa,Iris Versicolour,Iris Vir...
'Iris Plants Database\n===\n\nNotes\n---\nData Set Characteristics:\n :Number of Instances: 150 (50 in each of three classes)\n :Number of Attributes: 4 numeric, predictive attributes and the class\n :Attribute Information:\n - sepal length in cm\n - sepal width in cm\n - peta...
R.A.Fisher Donor: MichaelMarshall(MARSHALL%PLU'@'http://./doc/cdb03b0b763231126edb1184.html) DataSetInformation: Thisisperhapsthebestknowndatabasetobefoundinthepatternrecognitionliterature.Fisher'spaperisaclassicinthefieldandisreferencedfrequentlytothisday.(SeeDudathelatterareNOTlinearlyseparablefromeachother...
CREATEPROCEDUREget_iris_datasetASBEGINEXEC sp_execute_external_script @language= N'R', @script = N' library(RevoScaleR) data(iris) iris$SpeciesID <- c(unclass(iris$Species)) iris_data <- iris ', @input_data_1 = N'', @output_data_1_name = N'iris_data'WITHRESULTSETS(("Sepal.Lengt...
ax.set_xlabel(data.feature_names[2]) ax.set_xlabel(data.feature_names[3]) ax.set_title('Iris') plt.legend() plt.show() 可以发现红色数据点,也就是Setosa距离其他数据较远。 b.用pca将原本的数据降为二维,并在平面中画出样本点的分布。
Web Hits: Source: Creator: R.A. Fisher Donor: Michael Marshall (MARSHALL%PLU @ io.arc.nasa.gov) Data Set Information: This is perhaps the best known database to be found in the pattern recognition literature. Fishers paper is a classic in the field and is referenced frequently to this ...
Iris Data Set（鸢尾属植物数据集）是我现在接触到的历史最悠久的数据集，它⾸次出现在著名的英国统计学家和⽣物学家 1936年的论⽂《The use of multiple measurements in taxonomic problems》中，被⽤来介绍线性判别式分析。在这个数据集中，包括了三类不同的鸢尾属植物：Iris Setosa，Iris Versicolour，Iris...
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line = f.readline()print(data)print(data.keys())# ^ 去重后转化为 numpy 数组forkeyindata: data[key] = np.array(list(set(tuple(t)fortindata[key])))print(data)# ^ 获取Iris-virginica品种数据a = data['Iris-virginica']# ^ 拆分成四个数组arr = np.array_split(a,4, axis=1)print(arr...
Iris Data Set(iris数据集)数据摘要：Famous database; from Fisher, 1936 中文关键词：机器学习,iris,分类,多变量,UCI,英文关键词：Machine Learning,iris,Classification,MultiVarite,UCI,数据格式：TEXT 数据用途：This data is used for classification.数据详细介绍：Iris Data Set Abstract: Famous database; ...